Home / 13,755,114.40-20,632,671.60-13,172,663.20

Finding the Fourth Proportional to 13,755,114.40, 20,632,671.60 and 13,172,663.20

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Solution

The fourth proportional to 13,755,114.40, 20,632,671.60 and 13,172,663.20 is: 19,758,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,114.40 : 20,632,671.60 = 13,172,663.20 : x
  2. Step 2: Convert to fraction form
    13,755,114.40/20,632,671.60 = 13,172,663.20/x
  3. Step 3: Cross multiply
    13,755,114.40x = 20,632,671.60 × 13,172,663.20
  4. Step 4: Simplify right side
    13,755,114.40x = 271,787,233,903,005.12
  5. Step 5: Solve for x
    x = 271,787,233,903,005.12/13,755,114.40
  6. Step 6: Final answer
    x = 19,758,994.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.